Construction & Material Specifications
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CONSTRUCTION & MATERIAL SPECIFICATIONS FOR UTILITY AND ROADWAY CONSTRUCTION Issued January 2, 2018 TABLE OF CONTENTS CONSTRUCTION & MATERIAL SPECIFICATIONS Latest revision 01-02-18 PREFACE GENERAL CONDITIONS GC-1 to GC-21 UTILITY DESIGN GUIDELINES DG-1 to DG-10 UTILITY CONSTRUCTION METHODS CMU-1 to CMU-8 SANITARY SEWER MATERIALS SSM-1 to SSM-6 WATER MAIN MATERIALS WM-1 to WM-10 STORM DRAIN MATERIALS SDM-1 to SDM-6 ROAD CONSTRUCTION METHODS CMR-1 to CMR-5 ROAD CONSTRUCTION MATERIALS M-1 to M-5 CONCRETE CONSTRUCTION METHODS & MATERIALS CMC-1 to CMC-5 STREET LIGHTS CONSTRUCTION METHODS & MATERIALS SL-1 to SL-5 TESTING PROCEDURES TP-1 to TP-5 PREFACE This book of "Construction and Material Specifications for Utility and Roadway Construction” has been prepared by the City of Salisbury – Department of Infrastructure and Development to provide Engineers, Contractors and Developers with a catalog of Construction Methods and Material Specifications for Roadway and Utility Construction authorized by the City of Salisbury. Any Specifications previously issued by the City of Salisbury are herewith superseded as of the latest revision date shown on the pertinent Specification. All Engineers, Land Surveyors, and Contractors involved with the construction of roadways and utilities authorized by the City of Salisbury should become thoroughly familiar with contents of this book. All materials shall be new, standard production, and made in the United States of America unless otherwise approved as a substitute by the City of Salisbury before use of the material. These Specifications may be revised periodically to reflect changes in regulations and technology. Items may be added or deleted at the City's discretion. These Specifications are not intended to cover all materials purchased, or construction performed by the City of Salisbury or its Contractors. The City of Salisbury reserves the right to default to the Maryland Department of Transportation State Highway Administration Standard Specifications for Construction and Materials Manual (Current Edition) for clarification and reference. Any obvious errors found or any comments that you may have regarding these Standards are welcome and will be given due consideration. Please submit them to: City of Salisbury Department of Infrastructure and Development 125 North Division Street Room 202 Salisbury, MD 21801- 4940 Telephone: 410-548-3170 Effective Date: 07-14-94 Latest Revision Date: 01-02-18 GENERAL CONDITIONS Latest revision 01-02-18 1. OUTLINE SPECIFICATIONS A. Some sections of the Contract specifications have been written in outline form to facilitate reading and locating information. Only key words, product designations and phrases have been used. Contractors will resolve any questions arising from the outline form specifications prior to submitting a Bid Document. By its Bid Document submission, the Contractor agrees to accept the City Engineer’s interpretation of the specifications in case of discrepancy or misunderstanding. 2. LEGAL RELATIONS AND RESPONSIBILITY TO THE PUBLIC A. Definition of Contractor - hereinafter “Contractor” will refer to any Contractor currently under contract with the City, or any Contractor or person performing construction to City utilities, roadways, etc. or other appurtenances owned and/or maintained by the City, for which no contract has been awarded by the City. B. Responsibility for Damage Claims - Contractor will indemnify and save harmless the City and all its representatives from all damage resulting from the construction or non- compliance with any law, ordinance, regulation or by-law in effect. C. Contractor is responsible for public safety. D. Contractor is responsible for preservation of all public and private property, trees, monuments, highway signs, markers, fences, curbs and appurtenances. E. Contractor is responsible for storm water drainage, management and soil erosion control relating to the completion of the Work. F. “Engineer” or “Inspector” shall be the authorized representative(s) of Salisbury Department of Infrastructure and Development. 3. PROSECUTION OF CONTRACT & LIQUIDATED DAMAGES A. Contract time may be accrued using working days or calendar days. Calendar days will be used unless designated as working days elsewhere in the contract. B. Determination of working day will be any normal calendar day when the weather or soil conditions are suitable for work for five (5) hours. C. Saturdays, Sundays, and legal Holidays will not be considered a working day unless it is used as a productive work day (See Section 20), but are considered Calendar days for the purpose of assessing liquidated damages. D. Calendar days will begin at start of construction or “Notice to Proceed” date and will be continuous until completion of Work. E. Time extensions will normally be granted when it can be shown that the Contractor has been unavoidably detained in completing the Work. F. Liquidated damages for each calendar day the Work is not complete beyond the allotted time will be as follows: Amount of Contract Liquidated Damages per Day Less than $10,000 $100.00 $10,000 or less than $100,000 $250.00 $100,000 or less than $500,000 $750.00 GC-1 GENERAL CONDITIONS Latest revision 01-02-18 $500,000 or more $1,000.00 Or will be based on actual cost to the City, whichever is greater. 4. CONTROL OF MATERIAL A. Source of supply subject to approval of the City Engineer. B. City Engineer may require samples of materials. C. Only materials conforming to these specifications will be approved. D. Manufacturers and suppliers listed in these specifications or on the City construction standard drawings are pre-approved for the convenience of the Contractor. E. Plans prepared by agencies other than the City’s Department of Infrastructure and Development will require approval of materials and/or approved substitutes by the City Engineer or representative. F. Approved substitutes will conform to City Contract specifications and meet requirements as stated in the Approved Substitute section of Instructions to Contractors or “Approved Substitute” on record at the City’s Department of Infrastructure and Development or use the “Construction and Material Specifications for Utility and Roadway Construction” manual where applicable. G. All rejected materials, damaged in shipment or otherwise not conforming to the specifications or samples, will be removed immediately from the vicinity of the Work. 5. PAYMENT REQUESTS A. Partial (periodic) payments 1. Made approximately each month in an amount equal to the estimated amount less any Retainage. 2. The City Engineer will make out the monthly estimate based on estimated quantities submitted in writing by the Contractor, and agreed upon by the City. B. Final Payment 1. Final payment will not be made until Final Acceptance is issued. 2. Retainage amounts will be withheld (unless replaced by a Maintenance Bond) until final acceptance of Work at the end of the guarantee period. 3. Maintenance bond will be in the amount of 5% of the total Contract amount. 4. At completion of the guarantee period, a final inspection will be made by the City Engineer. 5. Any items of non-acceptance will be listed on a “Final Punch List” for the Contractor. Items on this Final Punch List must be corrected or completed before final acceptance can be made. 6. Items on the “Final Punch List” not completed by the Contractor will be done by the City, or the City will cause the Work to be done. 7. The cost of any Work required by the “Final Punch List” not done by the Contractor will be charged to the Contractor’s retainage account or maintenance bond. GC-2 GENERAL CONDITIONS Latest revision 01-02-18 C. Retainage Payment 1. Retainage payment will be made upon conditional acceptance and receipt of a maintenance bond. 2. If no maintenance bond is provided, the Retainage amount will not be paid until a satisfactory final inspection is performed and final acceptance is issued. 3. Any unused portion of the Retainage account will be returned to the Contractor after all repairs have been made. 4. Unless otherwise specified in the Contract, Retainage will be withheld on all Contracts. 5. Retainage will be made at 10% of the estimated amount with the maximum retainage being 5% of the total Contract amount. D. Payment for Stored Materials 1. In making estimates of the value of the Work done and materials incorporated in the Work, the Contractor may, subject to the approval of the City or as required by law, include in the current estimates the delivered cost, as modified below, of equipment and non-perishable materials which have been tested for adequacy and which have been delivered to the site or other such location approved by the City and adequately protected from fire, theft, vandalism, the effect of the elements, and any damage whatsoever, or similarly placed in approved storage facilities adjacent thereto. Such materials and equipment will at all times be available for inspection by the City Engineer and the City. No progress payment will be made for said material and equipment until each of the following conditions has been fulfilled: a. The Contractor will furnish to the City Engineer invoices establishing the value of said materials and equipment with an indication of the amount the Contractor requests the City to pay for said materials and equipment. Such invoices will be furnished at least ten days in advance of the date of preparation of monthly estimates as established by the City Engineer; b. The City Engineer will inspect said material and equipment and recommend payment therefore; c. The Contractor will furnish the to the City fire insurance policies, as provided in this Contract and with the broad form extended coverage endorsement, for said material and equipment in an amount equal to one hundred percent of the value thereof and which policies will be maintained, at the sole cost and expense of the Contractor, until said material and equipment has been incorporated into the Work; d.